Home / 12,075,349.30-18,067,317.53-7,154,024.18

Finding the Fourth Proportional to 12,075,349.30, 18,067,317.53 and 7,154,024.18

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Solution

The fourth proportional to 12,075,349.30, 18,067,317.53 and 7,154,024.18 is: 10,703,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,075,349.30 : 18,067,317.53 = 7,154,024.18 : x
  2. Step 2: Convert to fraction form
    12,075,349.30/18,067,317.53 = 7,154,024.18/x
  3. Step 3: Cross multiply
    12,075,349.30x = 18,067,317.53 × 7,154,024.18
  4. Step 4: Simplify right side
    12,075,349.30x = 129,254,026,540,411.22
  5. Step 5: Solve for x
    x = 129,254,026,540,411.22/12,075,349.30
  6. Step 6: Final answer
    x = 10,703,957.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.